<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>测试webSocket的使用</title>
</head>
<body>
    <input type="text" id="message">
    <button id="send-button">发送</button>

    <script>
        //创建一个webSocket实例
        let websocket=new WebSocket("ws://127.0.0.1:8080/test");

        websocket.onopen = function(){
            console.log("websocket连接成功");
        }

        websocket.onclose = function(){
            console.log("websocket连接断开");
        }

        websocket.onerror = function(){
            console.log("websocket连接异常");
        }

        websocket.onmessage = function(e){
            console.log("websocket收到消息："+e.data);
        }

        let messageInput = document.querySelector("#message");
        let sendButton = document.querySelector("#send-button");
        sendButton.onclick = function() {
            console.log("websocket发送消息："+messageInput.value);
            websocket.send(messageInput.value);
        }
    </script>
</body>
</html>